alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Unknown Malicious SSL Cert 6"; flow:established,to_client; tls.cert_subject; content:"CN=latest.ignorelist.com"; classtype:domain-c2; sid:2023907; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2017_02_14, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_19, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)